Merge pull request #39 from rylai-/master

scripts/4chan: fixed copyright being all terdade and stuff because of vim
scripts/4chan: fix line that was too damn long
Dice command support for formats "d<sides>" and "<count>" with default=1d6.
Added rock/paper/scissors game command.
Modified rps to allow any letter casing.
Modified rps to allow first letter choosing.
Updated copyright notice.
Merged vim tab line from upstream.
Merge pull request #41 from ShockkPony/master

Additions to Games script
scripts/games: refactor rps command
scripts/games: refactor dice command
scripts/games: fix spacing in copyright
scripts/channels: Use server CHANTYPES for channel prefix validation